JIS C9730-2-4-2010 家用和类似用途的电气自动控制器.第2-4部分:封装和半封装电动压缩机组的电动机热保护器用特殊要求
Automatic electrical controls for household and similar use -- Part 2-4: Particular requirements for thermal motor protectors for motor-compressors of hermetic and semi-hermetic type